George singleton



Patented Nov. 8, |898.

G. SINGLETON. PICK.

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NITED STATES PATENT Brion.

GEORGE SIN GLETON, OF JERSEY CITY, NEW JERSEY.

PICK.

SPECIFICATION forming part of Letters Patent No.1613,729, dated November 8, 1898.

Application filed May 18, 1898. Serial No. 681,014. (No model.)

T0 all whom t may concern:

Be it known that I, GEORGE SINGLETON, a citizen of the United States, residing in J ersey City, in the county of Hudson, in the State of New Jersey, have invented a certain new and useful Improvement in Picks, of which the following is a specification.

I make the head of the pick proper in a single continuous bar, with the ends shaped by forging or otherwise to the required pointed and chisel forms and a considerable portion of the mid-length of uniform rectangular section,with two holes to receive the bolts. The handle is tapered and wide at the portion adja; cent to the head,with the large end outermost and provided with an accurately-shaped rectangular notch adapted to receive the head. A single additional piece of metal tightly embraces the tapered endv of the handle and matches each side of the head. The junction is completed and made firm by screw-bolts, preferably tapered, and nuts. The construction gives great strength and stiffness, with adequate facilities for separation of the parts when required for sharpening the pick or for other purposes.

The accompanying drawings form a part of this specification and represent what I consider the best means of carrying out the invention.

Figure l is a general side View. Fig. 2 is a corresponding end view. Fig. 3 is a'central longitudinal section on the line 3 3 in Figs. l and 2. tion, at right angles thereto, on a larger scale. Fig. 5 is a cross-section on the line 5 5 in Fig. fl. Fig. 5a is a section corresponding to Fig. 5, showing the parts in the act of receiving the tapering bolts. The remaining figures show modifications. Fig. 6 is an end View, and Fig. 7 a side view, of the invention applied to a pavers hammer. Fig. S shows a modification of the bolts.

Similar letters of reference indicate corresponding parts in all the figures where they appear.

Referring to Figs. l to 5, inclusive, Ais the handle, A the large tapering end, and a the rectangular notch.

B is the head, the pointed end being marked B and the chisel end B2. Two holes b b are accurately produced at the points indicated Fig. 4 is a section, partly in elevain the uniformly-sectioned part of the head near the mid-length. These holes are slightly tapered.

D is a malleable-iron or low-steel socketpiece, having a carefully-tapered aperture throughits interior of the proper size and form to receive the handle and having also a deep groove of rectangular section adapted to receive the head B and holes d d tapered to receive bolts nearly, but not quite, in line each with a corresponding hole b in the head.

E E are the tapering bolts, and G Gthe nuts matching thereon.

In applying the parts together the socketpiece D is brought up nearly into position on the handle A, the head B inserted in the groove in the handle, and the parts are forced together sufficiently to allow the bolts E to be inserted through the holes b cl and their nuts loosely applied. Then the parts are forced together nearly to the desired position by a press or by percussion where, as will often be the case, other means are not available and, the nuts being forcibly turned, the tapering bolts are drawn tightly into their places. The bolts hold the head very tightly to the socket, and the pressure of the body on the handle urges the latter tightly to a firm bearing in the interior of the socket. The pick may be used in all respects in the ordinary manner, the firmness with Which the handle is held contributing to its usefulness. The separation of the parts may be effected by the reverse operations.

The construction gives unusual stiness at the junction of the head with the handle. The lightness of the head facilitates the use of the implement. The ease of separation and reassembling greatly facilitates the manipulation in drawing and rehardening the points,which necessarily occur often when the pick is being severely used in hard material.

Modifications may be made without departing from the principle or sacrificing the advantages of the invention. In Figs. 6 and 7 there are shoulders or square oifsets against which the adjacent portions of the socketpiece firmly abut and which contribute to the firmness of the union. I can use ordinary bolts not tapered, inserting them in the same tapering holes which are provided or make the pick with plain cylindrical holes. In

loo

such case the parts must be forced nearly or quite into their inal positions relatively to each other before the bolts are inserted. The proportions of some of the parts may be varied. The head may be Wider than shown, allowing the excess of Width to project beyond the socket-piece and handle, care being taken to locate the holes b properly. If this part B is narrower than shown, a shimmingpiece maybe inserted in the bottom of the recess in the handle and in the socket-piece to maintain the tightness. I prefer the simple construction shown.

I claim as my invention- In a pick, a head B of limited section near the middength, provided with holes I), a hanabove set forth I afx my signature in presence of two Witnesses.

GEORGE SINGLETON'. Witnesses:

JOHN JELLY, JAMES N. DAVIS. 

